打开靶机对应的url 界面显示需要输入账号和密码 分别在两个输入框尝试加单引号尝试是否有sql注入的可能,比如 123' 发现两个框可以注入,因为报了个错误信息 You have an error in your SQL syntax; check the manual that correspon
打开靶机url,页面显示有两个输入框,框中输入123',发现两个框都有sql注入问题 爆出一下错误 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server versi
博客地址:https://www.cnblogs.com/zylyehuo/ 时间复杂度:O(n) # _*_coding:utf-8_*_ def linear_search(li, val): for ind, v in enumerate(li): if v == val: return in
博客地址:https://www.cnblogs.com/zylyehuo/ # _*_coding:utf-8_*_ import random def count_sort(li, max_count=100): count = [0 for _ in range(max_count + 1)]
博客地址:https://www.cnblogs.com/zylyehuo/ # -*- coding: utf-8 -*- import random def bucket_sort(li, n=100, max_num=10000): buckets = [[] for _ in range(n
博客地址:https://www.cnblogs.com/zylyehuo/ # -*- coding: utf-8 -*- t = [100, 50, 20, 5] def change(t, n): m = [0 for _ in range(len(t))] # m 为各面额纸币的张数 for
博客地址:https://www.cnblogs.com/zylyehuo/ # -*- coding: utf-8 -*- # 最长公共子序列的长度 def lcs_length(x, y): m = len(x) n = len(y) c = [[0 for _ in range(n + 1)]
> 博客地址:https://www.cnblogs.com/zylyehuo/ # 完整版 ```python import os count = 0 # 遍历文件夹 def walkFile(file): for root, dirs, files in os.walk(file): # roo
https://www.bilibili.com/read/cv10762342?spm_id_from=333.999.0.0 原地址 十个漂亮的数学定理赏析 Beauty is the first test: there is no permanent place in the world fo
http://arthurchiao.art/blog/linux-net-stack-implementation-rx-zh/ Fig. Steps of Linux kernel receiving data process and the corresponding chapters in
同时复制多个文件夹提速的方法 可以用循环. 发现sys的时间可以在后面减少一倍实际时间减少的更多. 可以极大的 提高复制速度. for i in /gscloudprint01 /gscloudprint02 /gscloudfssp02 /gscloudmain02 ; do time scp -
#!/bin/bash for((i=1;i<=10;i++)); do echo $(expr $i \* 3 + 1); done #!/bin/bash for i in $(seq 1 10) do echo $(expr $i \* 3 + 1); done #!/bin/bash for
https://www.brendangregg.com/blog/2016-09-28/java-warmup.html I gave a talk at JavaOne last week on flame graphs (slides here), and in Q&A was asked a
https://github.com/brendangregg/perf-tools 网络不好 原作者很厉害 转帖学习. A miscellaneous collection of in-development and unsupported performance analysis tools f
https://www.modb.pro/db/555818 引 我们在谈容器内存时,到底在谈什么? CGroup 内存说明 强制回收内存 memory.force_empty 基于内存阈值水位的通知 不要 OOM Kill,只是暂停 memory.stat memory.usage_in_byte
SystemTap Beginners Guide Next Chapter 5. Useful SystemTap Scripts 5.1. Network5.1.1. Network Profiling5.1.2. Tracing Functions Called in Network Soc
系统上线之后,通过如下语句查看服务器时,发现有不少TIME_WAIT和CLOSE_WAIT。 netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}' TIME_WAIT 297 ESTABLISHED 53 CLOSE
摘要 最近发现某项目的Nginx负载服务器上面有很多Time_wait的TCP连接 可以使用命令 netstat -n |awk '/^tcp/ {++S[$NF]} END{for (a in S) print a , S[a]}' 当时反馈过来 time_wait的连接特别多. 我比较菜, 没有
https://www.cnblogs.com/jmcui/p/8410560.html 一、概述 缓存(Caching)可以存储经常会用到的信息,这样每次需要的时候,这些信息都是立即可用的。 常用的缓存数据库: Redis 使用内存存储(in-memory)的非关系数据库,字符串、列表、集合、散列
Build Requirements Windows As of sysbench 1.0 support for native Windows builds was dropped. It may be re-introduced in later versions. Currently, the